Answers

Add 90/40 and 50/15

1^st number: 2 10/40, 2^nd number: 3 5/15

90/40 + 50/15 is 67/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 15 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   90/40 = 90 × 3/40 × 3 = 270/120
3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
   50/15 = 50 × 8/15 × 8 = 400/120
4. Add the two like fractions:
   270/120 + 400/120 = 270 + 400/120 = 670/120
5. 670/120 simplified gives 67/12
6. So, 90/40 + 50/15 = 67/12
   In mixed form: 57/12

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